GBS also is a frequent cause of newborn pneumonia.

Although most GBS carriers have no symptoms, GBS in pregnant women may cause bladder or urinary tract infections; infection of the womb; and stillbirth.

A GBS is a Global positionig system

Pregnant women are more likely to transmit GBS to their fetuses if they previously delivered a GBS-infected baby; have a urinary tract infection caused by GBS; carry GBS late in pregnancy; or begin labor before 37 weeks of gestation

Although immediate penicillin treatment for GBS-infected newborns is very effective, about 5% of GBS-infected newborns die.